12750125251265 has 8 divisors (see below), whose sum is σ = 15673324699368. Its totient is φ = 9951317269120.

The previous prime is 12750125251217. The next prime is 12750125251309. The reversal of 12750125251265 is 56215252105721.

It can be written as a sum of positive squares in 4 ways, for example, as 121817752576 + 12628307498689 = 349024^2 + 3553633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12750125251265 - 2²⁶ = 12750058142401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31097866262 + ... + 31097866671.

It is an arithmetic number, because the mean of its divisors is an integer number (1959165587421).

Almost surely, 2^{12750125251265} is an apocalyptic number.

It is an amenable number.

12750125251265 is a deficient number, since it is larger than the sum of its proper divisors (2923199448103).

12750125251265 is an equidigital number, since it uses as much as digits as its factorization.

12750125251265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62195732979.

The product of its (nonzero) digits is 420000, while the sum is 44.

Adding to 12750125251265 its reverse (56215252105721), we get a palindrome (68965377356986).

The spelling of 12750125251265 in words is "twelve trillion, seven hundred fifty billion, one hundred twenty-five million, two hundred fifty-one thousand, two hundred sixty-five".